<template>
  <div>
    <div class="search">
      <input v-model="keyWord" type="text" class="search-input" name="" id="" placeholder="输入城市名或者拼音">
    </div>
    <div
      v-show="keyWord"
      class="search-content"
      ref="search">
      <ul>
        <li
        class="search-item border-bottom"
        v-for="item in list"
        @click="handleCity(item.name)"
        :key="item.id">
        {{item.name}}
        </li>
        <li
        v-show="hasNoData"
        class="search-item border-bottom">
        没有找到匹配数据
        </li>
      </ul>
    </div>
  </div>
</template>

<script>
import Bscroll from 'better-scroll'
import {mapMutations} from 'vuex'
export default {
  name: 'citySearch',
  data () {
    return {
      keyWord: '',
      list: [],
      timer: null
    }
  },
  props: {
    cities: Object
  },
  computed: {
    hasNoData () {
      return !this.list.length
    }
  },
  methods: {
    handleCity (city) {
      // this.$store.commit('changeCity', )
      this.changeCity(city)
      this.$router.push('/')
    },
    ...mapMutations(['changeCity'])
  },
  watch: {
    keyWord () {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      if (!this.keyWord) {
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for (let i in this.cities) {
          this.cities[i].forEach(value => {
            if (value.spell.indexOf(this.keyWord) > -1 || value.name.indexOf(this.keyWord) > -1) {
              result.push(value)
            }
          })
        }
        this.list = result
      }, 100)
    }
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.search)
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.search
  height 0.72rem
  background $bgcColor
  padding 0 .1rem
  .search-input
    box-sizing border-box
    height 0.62rem
    line-height 0.62rem
    width 100%
    text-align center
    border-radius .06rem
    color #666
    padding 0 .1rem
.search-content
  z-index 1
  overflow hidden
  position absolute
  top 1.58rem
  left 0
  right 0
  bottom 0
  background-color #eee
  .search-item
    line-height 0.62rem
    padding-left 0.2rem
    background-color #fff
    color #666
</style>
